Submission

Score: 50

User: Neozaawwman1

Problemset: อนุกรม

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-06 21:38:58

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n, sum=0, x, c=1; cin>>n;
	if(n>90){
		return 0;
	}
	for(int i=0; i<n; i++){
		x=c;
		c=sum;
		sum=sum+x;
	}
	cout<<sum;
}